package lab02.test31;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by Lenovo on 2017/11/2.
 */
public class Test {
    public static void main(String[] args) {
        //数组：量词 三个单词，五个学生，十个手机
        //十个整数
        int[]numbers=new int[10];
        //集合；list,set,map
        List<Integer>list=new ArrayList<Integer>();
        list.add(10);
        list.add(13);
        list.add(12);
        for (Integer num:list){
            System.out.println(num);
        }
        List<String> names=new ArrayList<>();
        names.add("张三");
        names.add("李四");
        names.add("王五");
        names.add("马六");
        names.add("赵七");
        for (String name:names){
            System.out.println(names.indexOf(name)+"1"+name);
        }
        System.out.println("集合大小："+names.size());
        String delName=names.remove(2);
        System.out.println("删除的第三个元素是："+delName);
        System.out.println(names.get(2));
    }
}
